diff options
author | Marek Gilbert <mcg@google.com> | 2018-02-06 09:43:55 -0800 |
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committer | Marek Gilbert <mcg@google.com> | 2018-02-06 10:06:42 -0800 |
commit | ef59c11f8291e8766ad4ac9dfceb9c6a8c80a173 (patch) | |
tree | 44aa0470b59a74c0836bf0cde42e31b646015466 /Firestore/third_party/abseil-cpp/absl/strings/internal/ostringstream_test.cc | |
parent | 53a125580d1cd656d3d824715aceb77e84ac5128 (diff) | |
parent | 582e4baf37cdfe23f17d4c6ca8fdd912108cfd29 (diff) |
Merge branch 'abseil-mirror' into merge
Add StrCat, StrJoin and the rest of //strings from abseil-cpp (#756)
From abseil-cpp version bf7fc9986e20f664958fc227547fd8d2fdcf863e
Diffstat (limited to 'Firestore/third_party/abseil-cpp/absl/strings/internal/ostringstream_test.cc')
-rw-r--r-- | Firestore/third_party/abseil-cpp/absl/strings/internal/ostringstream_test.cc | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/Firestore/third_party/abseil-cpp/absl/strings/internal/ostringstream_test.cc b/Firestore/third_party/abseil-cpp/absl/strings/internal/ostringstream_test.cc new file mode 100644 index 0000000..069a0e1 --- /dev/null +++ b/Firestore/third_party/abseil-cpp/absl/strings/internal/ostringstream_test.cc @@ -0,0 +1,102 @@ +// Copyright 2017 The Abseil Authors. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +#include "absl/strings/internal/ostringstream.h" + +#include <memory> +#include <ostream> +#include <string> +#include <type_traits> + +#include "gtest/gtest.h" + +namespace { + +TEST(OStringStream, IsOStream) { + static_assert( + std::is_base_of<std::ostream, absl::strings_internal::OStringStream>(), + ""); +} + +TEST(OStringStream, ConstructDestroy) { + { + absl::strings_internal::OStringStream strm(nullptr); + EXPECT_EQ(nullptr, strm.str()); + } + { + std::string s = "abc"; + { + absl::strings_internal::OStringStream strm(&s); + EXPECT_EQ(&s, strm.str()); + } + EXPECT_EQ("abc", s); + } + { + std::unique_ptr<std::string> s(new std::string); + absl::strings_internal::OStringStream strm(s.get()); + s.reset(); + } +} + +TEST(OStringStream, Str) { + std::string s1; + absl::strings_internal::OStringStream strm(&s1); + const absl::strings_internal::OStringStream& c_strm(strm); + + static_assert(std::is_same<decltype(strm.str()), std::string*>(), ""); + static_assert(std::is_same<decltype(c_strm.str()), const std::string*>(), ""); + + EXPECT_EQ(&s1, strm.str()); + EXPECT_EQ(&s1, c_strm.str()); + + strm.str(&s1); + EXPECT_EQ(&s1, strm.str()); + EXPECT_EQ(&s1, c_strm.str()); + + std::string s2; + strm.str(&s2); + EXPECT_EQ(&s2, strm.str()); + EXPECT_EQ(&s2, c_strm.str()); + + strm.str(nullptr); + EXPECT_EQ(nullptr, strm.str()); + EXPECT_EQ(nullptr, c_strm.str()); +} + +TEST(OStreamStream, WriteToLValue) { + std::string s = "abc"; + { + absl::strings_internal::OStringStream strm(&s); + EXPECT_EQ("abc", s); + strm << ""; + EXPECT_EQ("abc", s); + strm << 42; + EXPECT_EQ("abc42", s); + strm << 'x' << 'y'; + EXPECT_EQ("abc42xy", s); + } + EXPECT_EQ("abc42xy", s); +} + +TEST(OStreamStream, WriteToRValue) { + std::string s = "abc"; + absl::strings_internal::OStringStream(&s) << ""; + EXPECT_EQ("abc", s); + absl::strings_internal::OStringStream(&s) << 42; + EXPECT_EQ("abc42", s); + absl::strings_internal::OStringStream(&s) << 'x' << 'y'; + EXPECT_EQ("abc42xy", s); +} + +} // namespace |